$ git clone -n https://src.fedoraproject.org/rpms/lightdm-settings.git /var/lib/mock/f41-build-side-1-2647786-27313/root/chroot_tmpdir/scmroot/lightdm-settings
Cloning into '/var/lib/mock/f41-build-side-1-2647786-27313/root/chroot_tmpdir/scmroot/lightdm-settings'...
$ git fetch origin 6006a36f1e0cbf5efbf061006fd65f8852938a66:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lightdm-settings
 * [new ref]         6006a36f1e0cbf5efbf061006fd65f8852938a66 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6006a36 Update to 2.0.5